世界上限動(dòng)芯棒連軋管機(jī)的應(yīng)用和發(fā)展(續(xù)三)

THE APPLICATONS AND DEVELOPMENTS OF RESTRAINED MANDREL MILLS WORLDWIDE （PART Ⅳ）

摘要: 介紹了全浮、半浮和限動(dòng)芯棒連軋管機(jī)的工藝特點(diǎn)及世界上限動(dòng)芯棒連軋管機(jī)的發(fā)展情況。分別闡述了意大利達(dá)爾明廠φ355.mm PPM-MPM機(jī)組、墨西哥坦姆薩公司φ273mm MPM機(jī)組、美國(guó)鋼鐵公司費(fèi)爾菲爾德廠φ244.5mmPPM-MPM機(jī)組、加拿大阿爾戈馬鋼公司φ177.8mmMPM機(jī)組以及阿根廷希德爾卡廠和國(guó)內(nèi)天津無縫鋼管總廠的φ250mm限動(dòng)芯棒連軋管機(jī)組的概況、生產(chǎn)工藝流程、主要設(shè)備特點(diǎn)及其性能。

Abstract: The process features of the full-floating, half-floating and restrained mandrel mills as well as the developments of restrained mandrel mills worldwide are briefed. The article respectively describes the outlines, production process flows, major equipment characteristics and performances with respect to φ355.6mm PPM-MPM train in Dalmine, Italy, φ275mm MPM train in Tamsa Co., Mexico, φ244.5mm PPM-MPM train in Fairfield Works, American Steel Co., φ177.8mm MPM train in Algoma Steel Corp. Ltd, Canada and φ250mm restrained mandrel mills both in Siderca Works, Argentina and in General Tianjin Steel Tube Plant, China.